[Amps] Chimney Construction

W0UN -- John Brosnahan shr at medinaec.com
Tue Sep 16 10:39:10 EDT 2003


Making silicone rubber chimneys IS an easy task!  When I was at Alpha/Power
I learned the "secret"!

This is quoted from a posting I did back in March on the Amps reflector.
(deja vu all over again)

 >The "glue" is silicone RTV and the "secret" is to clamp the joint
 >very tightly for 24 hours.  Use strips of plastic or metal on both the
 >front and back of the joint and then clamp it with those giant spring-loaded
 >clamps. Make a mark on the piece corresponding to the circumference
 >and overlap the piece for at least a 1/2 inch.

So the secret (if there is one) is to make the RTV as thin as possible by
clamping pressure and also have a "decent" overlap.  Not too tricky.

73--John   W0UN


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